Light guiding plate for front light

Details Light guiding plate for front light Light guiding plate for front light

2005-11-29

2005-11-29

Sember, Thomas M. (Department: 2875)

Illumination

Edge lighted panel

Particular application

C362S619000, C362S620000, C362S626000, C362S628000, C349S063000

Reexamination Certificate

active

06969187

ABSTRACT:
A light guiding plate guides light from a light source and irradiates the light onto a display portion. The light guiding plate has an exit plate facing the display portion, and a reflection-exit plane opposite to the exit plane. The reflection-exit plane has a first end intersecting an incidence plane and a second end intersecting an opposite end plane. An inclination angle, defined by the exit plane and a line that contains the first end and the second end, is greater than 0.20° and less than 0.75°. The reflection-exit plane includes a light admission portion that reflects light entering through or reflected on the incidence plane to the exit plane.

REFERENCES:
patent: 7-270709 (1995-10-01), None
patent: 8-278760 (1996-10-01), None
patent: 11-242220 (1999-09-01), None
patent: 2000-011723 (2000-01-01), None
patent: 2000-21224 (2000-01-01), None
patent: 2000-111900 (2000-04-01), None
patent: 2001-69938 (2001-07-01), None

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